Big History
Deadly Meteors
TV-G
S1 • E12 Dec 6, 2013 30mImpacts from space have created our planet and just about everything in it. Like celestial supply ships, they brought in water, metal, and maybe even life. They made our moon and sculpted the geography of our planet, but just as they created everything we know, they will likely snuff it all out in a fiery burst of destruction.
